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Scarlett Johansson's beau put a ring on it. But the wedding date is not yet set.

The actress is engaged to Romain Dauriac, who co-owns an independent advertising agency.

Her rep confirmed the happy news, but did not disclose when it occurred.

"They haven't chosen a date for the wedding," she said.

Photos:Photos: Venice Film Festival 2013

Photos:Photos: Venice Film Festival 2013

Photos: Venice Film Festival 2013 – Writer Janusz Glowacki, left, and director Andrzej Wajda pose for photographers during the photo call for the film "Walesa" at the 70th Venice Film Festival on Thursday, September 5. The festival is going on from August 28 through September 7 in Italy.

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Photos:Photos: Venice Film Festival 2013

Photos: Venice Film Festival 2013 – Gianfranco Rosi, who directed the film "Sacro GRA," appears at the festival on September 5.

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Photos: Venice Film Festival 2013 – Actress Valeria Solarino works the red carpet during the photo call for the film "The Intrepid" on September 4.

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Photos: Venice Film Festival 2013 – Director Patrice Leconte and actress Rebecca Hall of the film "A Promise" have fun on the red carpet on September 4.

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Photos: Venice Film Festival 2013 – Actor Antonio Albanese, center, poses for photos with fellow cast members from the film "The Intrepid" on September 4.

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Photos:Photos: Venice Film Festival 2013

Photos: Venice Film Festival 2013 – Actor Richard Madden poses for photographers during the photo call for the film "A Promise" on September 4.

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Venice Film Festival 2013 – Italian actress Valeria Solarino attends the "L'Intrepido" premiere dressed as Elizabeth Taylor at the Venice Film Festival on September 4.

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Photos: Venice Film Festival 2013 – Actor Alan Rickman goofs around for the camera at a photo call for "Une Promesse" on September 4.

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Photos: Venice Film Festival 2013 – Director Patrice Leconte, right, points at photographers while posing with actress Rebecca Hall during the photo call for the film "A Promise" on September 4.

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Venice Film Festival 2013 – Actress Scarlett Johansson, right, arrives with director Jonathan Glazer for the screening of the film "Under the Skin" on September 3.

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Photos:Photos: Venice Film Festival 2013

Venice Film Festival 2013 – Johansson poses for photographers on the red carpet for the "Under the Skin" screening on September 3.

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Photos:Photos: Venice Film Festival 2013

Venice Film Festival 2013 – Manga artist Leiji Matsumoto is reflected on glass panels as he poses for portraits on September 3.

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Venice Film Festival 2013 – Vanessa Hessler poses for a portrait on September 3.

Venice Film Festival 2013 – Actor Tom Hardy poses with fans on the red carpet for the film "Locke" at the Venice Film Festival on September 2.

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Venice Film Festival 2013 – From left, actress Evelyne Brochu, director Xavier Dolan and actors Pierre Yves Cardinal and Lise Roy arrive for the screening of the movie "Tom at the Farm" at the Venice Film Festival on September 2.

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Photos:Photos: Venice Film Festival 2013

Venice Film Festival 2013 – Actress Melanie Thierry, left, and director Terry Gilliam pose during the photo call for the film "The Zero Theorem" on September 2.

Venice Film Festival 2013 – Indian actress Freida Pinto takes part in the Miu Miu Women's Tales on August 31.

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Photos:Photos: Venice Film Festival 2013

Venice Film Festival 2013 – Actress Dakota Fanning, left, with director Kelly Reichardt and actor Jesse Eisenberg, pose during the photo call of "Night Moves," which was presented in the competition at the festival on August 31.

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Venice Film Festival 2013 – Actor James Franco at the festival on August 31.

Venice Film Festival 2013 – Actress Megumi Kagurazaka attends the "Why Don't You Play In Hell?" premiere on August 29.

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Photos: Venice Film Festival 2013 – Australian actress Mia Wasikowska arrives for the screening of "Tracks," presented in the competition on August 29.

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Photos: Venice Film Festival 2013 – From left, producers Ian Canning and Emile Sherman, Australian writer Robyn Davidson, U.S. director John Curran and Australian actress Mia Wasikowska, pose during the photocall of "Tracks" on August 29.

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Venice Film Festival 2013 – Director Sion Sono attends the "Why Don't You Play In Hell?" premiere on August 29.

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Photos:Photos: Venice Film Festival 2013

Venice Film Festival 2013 – Director William Friedkin, left, poses with photographers at the photo call for his Golden Lion Lifetime Achievement award on August 29.

"Of course it's horrible," she told the magazine. "It was devastating. It really throws you. You think that your life is going to be one way, and then, for various reasons or whatever, it doesn't work out."

Johansson has appeared in various movies, including "Lost in Translation" and "Girl With a Pearl Earring."